Product Hardware Specifications
| Product model | NFG20A/NFG20B | 
| Fiber type | Single mode single fiber | 
| Port | 1*10/100/1000M SFP
 1*10/100M RJ45 port  | 
| Transmission distance | ≤20km | 
| Indicator light | PWR、Link、Act | 
| Power Supply | DC5V 2W | 
| Material of case | Steel shell | 
| Size(A single) | 93.5mm×70mm×26mm | 
| Management function | Support AC management in AP mode | 
| Operating temperature | -20°C ~ 65°C | 
| Operating humidity | 10%~ 90% RH non-condensing | 
| Storage temperature | -20°C~ 70°C | 
| Storage humidity | 5%~90%RH non-condensing | 






